package thread;

public class LiftOff implements Runnable {
    protected int countDown = 10;
    private static int taskCount = 0;
    private final int id = taskCount++;
    public LiftOff(){

    }
    public LiftOff(int countDown){
        this.countDown = countDown;
    }

    public String status(){
        return "#" + id + "("+
                (countDown > 0 ? countDown :"Liftoff!")+"). ";
    }

    @Override
    public void run() {
        while (countDown -- > 0){
            System.out.println(status());
            Thread.yield();
        }
    }
}
